The Coalfire Blog

Welcome to the Coalfire Blog, a resource covering the most important issues in IT security and compliance. You'll also find information on Coalfire's insights into the unique cybersecurity issues that impact the industries we serve, including Cloud Service Providers, RetailFinancial Services, Healthcare, Higher Education, Payments, Government.

The Coalfire blog is written by the company's leadership team and our highly-credentialed security assessment experts.


  • Healthcare Slow to Adopt NIST Digital Identity and Authentication Guidance

    July, 2019, Rich Curtiss, Principal, Healthcare Risk Assurance Services

    The National Institute of Standards and Technology (NIST) published an updated guide (Special Publication 800-63b) for Digital Identity Guidance in June 2017. This is a comprehensive and holistic guide to authentication processes, which includes choices of authenticators that may be used at various Authenticator Assurance Levels (AALs). It provides recommendations on the lifecycle of authenticators, including revocation in the event of loss or theft, complexity requirements, and authenticator expirations.

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  • Preparing for PCI DSS 4.0

    July, 2019, Andrew Barratt, Managing Principal, Solution Validation, Coalfire

    PCI DSS 4.0 is currently in its request for comments (RFC) process, where the industry can provide comments and feedback to help shape the next iteration. This process is initially open to the participating organizations – members that help steer and inform the PCI SSC based on their experiences. The RFC period for PCI DSS 4.0 ends in November 2019, and the council hopes to release PCI DSS 4.0 toward the end of 2020. 

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  • Data Governance in the Cloud

    June, 2019, Kurt Hagerman, CxO Advisor, Cyber Strategy, Coalfire

    Data governance is something your organization has likely considered, put into action, and implemented. The question is, to what degree is the data actually being governed – or not?

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  • The HITRUST Common Security Framework: Not Just for Healthcare Anymore

    June, 2019, ,

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  • [CMSAbstractTransformation.DataBind]: Object reference not set to an instance of an object.
  • Introducing Slackor, a Remote Access Tool Using Slack as a C2 Channel

    June, 2019, Esteban Rodriguez, Consultant, Coalfire Labs, Coalfire

    As a penetration tester at Coalfire Labs, I frequently use exploitation frameworks such as Metasploit or PowerShell Empire to perform post-exploitation actions on compromised endpoints. While anti-virus (AV) bypass and detection avoidance is often trivial in all but the most mature environments, detections from AV have caused me to look toward custom tooling to mitigate the risk of being detected by both traditional AV as well as security operations teams relying on network indicators. Over the past year I’ve been slowly developing my own tooling to deal with these challenges.

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